Prediction of thermal sensation using low-cost infrared array sensors monitoring system

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Prediction of thermal sensation using low-cost infrared array sensors monitoring system. / Wu, Yuxin; Liu, Hong; Li, Baizhan; Kosonen, Risto.

In: IOP Conference Series: Materials Science and Engineering, Vol. 609, No. 3, 032002, 23.10.2019.

Research output: Contribution to journalConference article

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@article{47dafd4312c34acfaca2fe20006ae08c,
title = "Prediction of thermal sensation using low-cost infrared array sensors monitoring system",
abstract = "Using skin temperature to predict thermal comfort typically results in higher accuracy of thermal comfort prediction compared to other methods, however, such nonintrusive thermo-graphic cameras with high resolution/accuracy are more expensive compared to the thermistors with single point. Thus, a low-cost (and low resolution) thermal camera MLX90640 was studied in this study to predict individual thermal comfort, and compared with the prediction results from high accuracy thermocouple at single point of somewhere of localized body skin. Results show that the low-cost (low resolution) infrared camera (MLX90640) with accuracy of ± 2 °C and resolution of 32 × 24 pixels is able to be used to predict thermal sensation with a performance better than skin temperature measure system including thermocouples at different points of skin with an accuracy of ±0.15 °C. And the performance of infrared camera (MLX90640) is as good as the performance of environmental air temperature sensor with accuracy of ±0.10 °C. Thus, the usage of low-cost (and low resolution) thermal camera to predict individual thermal comfort worth to be further studied.",
author = "Yuxin Wu and Hong Liu and Baizhan Li and Risto Kosonen",
year = "2019",
month = "10",
day = "23",
doi = "10.1088/1757-899X/609/3/032002",
language = "English",
volume = "609",
journal = "IOP Conference Series: Materials Science and Engineering",
issn = "1757-8981",
publisher = "IOP Publishing Ltd.",
number = "3",

}

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TY - JOUR

T1 - Prediction of thermal sensation using low-cost infrared array sensors monitoring system

AU - Wu, Yuxin

AU - Liu, Hong

AU - Li, Baizhan

AU - Kosonen, Risto

PY - 2019/10/23

Y1 - 2019/10/23

N2 - Using skin temperature to predict thermal comfort typically results in higher accuracy of thermal comfort prediction compared to other methods, however, such nonintrusive thermo-graphic cameras with high resolution/accuracy are more expensive compared to the thermistors with single point. Thus, a low-cost (and low resolution) thermal camera MLX90640 was studied in this study to predict individual thermal comfort, and compared with the prediction results from high accuracy thermocouple at single point of somewhere of localized body skin. Results show that the low-cost (low resolution) infrared camera (MLX90640) with accuracy of ± 2 °C and resolution of 32 × 24 pixels is able to be used to predict thermal sensation with a performance better than skin temperature measure system including thermocouples at different points of skin with an accuracy of ±0.15 °C. And the performance of infrared camera (MLX90640) is as good as the performance of environmental air temperature sensor with accuracy of ±0.10 °C. Thus, the usage of low-cost (and low resolution) thermal camera to predict individual thermal comfort worth to be further studied.

AB - Using skin temperature to predict thermal comfort typically results in higher accuracy of thermal comfort prediction compared to other methods, however, such nonintrusive thermo-graphic cameras with high resolution/accuracy are more expensive compared to the thermistors with single point. Thus, a low-cost (and low resolution) thermal camera MLX90640 was studied in this study to predict individual thermal comfort, and compared with the prediction results from high accuracy thermocouple at single point of somewhere of localized body skin. Results show that the low-cost (low resolution) infrared camera (MLX90640) with accuracy of ± 2 °C and resolution of 32 × 24 pixels is able to be used to predict thermal sensation with a performance better than skin temperature measure system including thermocouples at different points of skin with an accuracy of ±0.15 °C. And the performance of infrared camera (MLX90640) is as good as the performance of environmental air temperature sensor with accuracy of ±0.10 °C. Thus, the usage of low-cost (and low resolution) thermal camera to predict individual thermal comfort worth to be further studied.

UR - http://www.scopus.com/inward/record.url?scp=85074395795&partnerID=8YFLogxK

U2 - 10.1088/1757-899X/609/3/032002

DO - 10.1088/1757-899X/609/3/032002

M3 - Conference article

VL - 609

JO - IOP Conference Series: Materials Science and Engineering

JF - IOP Conference Series: Materials Science and Engineering

SN - 1757-8981

IS - 3

M1 - 032002

ER -

ID: 38533149